Visual Influences on Vestibular Adaptation
What You Need to Know Before You Apply
What is the purpose of this trial?
The goal of this study is to determine whether impaired static visual acuity or binocular vision abnormalities affect vestibulo-ocular reflex (VOR) adaptation in adults with and without vestibular hypofunction.
The main questions it aims to answer are:
* Does reduced static visual acuity change the amount of VOR adaptation achieved during incremental VOR adaptation (IVA) training?
* Do binocular vision abnormalities limit VOR adaptation in otherwise healthy adults or in adults with vestibular hypofunction?
Because this study includes comparison groups, researchers will compare participants with normal vestibular function and impaired visual acuity versus those with abnormal vestibular function and impaired visual acuity, as well as participants with normal vestibular function and binocular vision abnormalities versus those with abnormal vestibular function and binocular vision abnormalities, to determine whether these visual conditions affect the magnitude of VOR gain change following IVA training.
Who Is on the Research Team?
Colin Grove, PT, DPT, PhD
Principal Investigator
Emory University
Are You a Good Fit for This Trial?
Inclusion Criteria
What Are the Treatments Tested in This Trial?
How Is the Trial Designed?
4
Treatment groups
Experimental Treatment
Adults with binocular vision abnormalities and unilateral vestibular hypofunction. This group will be part of Experiment 2. This experiment studies people whose main visual problem is how the two eyes work together (e.g., convergence insufficiency, ocular misalignment). Experiment 2 tests the effect of binocular vision dysfunction on VOR adaptation
Adults with binocular vision abnormalities (e.g., convergence insufficiency, ocular misalignment) and normal vestibular function. This group will be part of Experiment 2. This experiment studies people whose main visual problem is how the two eyes work together (e.g., convergence insufficiency, ocular misalignment). Experiment 2 tests the effect of binocular vision dysfunction on VOR adaptation
Adults with abnormal uncorrected distance visual acuity and unilateral vestibular hypofunction. This group will be part of Experiment 1. This experiment studies people whose main visual problem is reduced uncorrected distance visual acuity (i.e., blurry vision without glasses/contacts). Experiment 1 tests the effect of blurry vision on VOR adaptation
Adults with abnormal uncorrected distance visual acuity and normal vestibular function. This group will be part of Experiment 1. This experiment studies people whose main visual problem is reduced uncorrected distance visual acuity (i.e., blurry vision without glasses/contacts). Experiment 1 tests the effect of blurry vision on VOR adaptation
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Who Is Running the Clinical Trial?
Emory University
Lead Sponsor
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